CTS4F-221K

Fixed Inductors Overview

The CTS4F-221K is a fixed axial inductor manufactured by Central Technologies. It features a nominal inductance of 220 µH with a tolerance of ±10%. The component has a maximum DC resistance of 3.5 Ω and a rated current of 251 mA. It utilizes an amorphous magnetic core within a shielded mold package, measuring 4.06 mm in diameter and 11.40 mm in length. The device operates between -55 °C and +125 °C.

Fixed Inductors Feature Summary

• Shielded construction minimizes electromagnetic interference
• Amorphous magnetic core for stable performance
• Axial leaded format for through-hole mounting

Fixed Inductors Applications

• High reliability electronic circuits
• General purpose filtering applications
• RF inductor implementations

Fixed Inductors Procurement Notes

Verify the specific part number against official Central Technologies documentation to confirm electrical parameters and physical dimensions. Ensure compatibility with required operating temperatures and current ratings. Confirm RoHS compliance status as indicated in the manufacturer datasheet before integration into designs.

Fixed Inductors Selection Notes

Select this component when a shielded axial inductor is required for general-purpose or RF applications. The 220 µH value suits moderate frequency filtering needs. Consider the 251 mA current rating and 3.5 Ω resistance limits during circuit design to ensure proper thermal and electrical operation within the specified temperature range.

Fixed Inductors Part Context

This component belongs to the CTS4F series of shielded axial inductors from Central Technologies. The series offers various inductance values ranging from low microhenries to higher millihenry levels. These components are designed for robust performance in demanding environments, providing consistent inductance characteristics across the operational temperature spectrum.

Fixed Inductors Replacement Considerations

Direct substitutes include other CTS4F series variants with matching 220 µH specifications. Verify that alternative parts maintain identical shielding, package dimensions, and current ratings to ensure mechanical and electrical compatibility without redesigning the PCB layout.